Hey Rob, I found this very interesting and great inspiration. Have you got the Game Boy Camera? there’s an interesting DJ game in it. I would reckon that overlapping sounds may involve using the 4 tracks of the Game Boy, do you think that’s right?
I have got the camera but I've haven't thought about the DJ game at all, I should give it another go! And yes, I think using the 4 tracks would unlock it's full potential, the way I did it limited me a lot.